December 1, 2025
Building a ChatGPT connector with Elasticsearch to query GitHub issues
Learn how to build a custom ChatGPT connector and deploy an Elasticsearch MCP server that uses hybrid search to query internal GitHub issues.
November 27, 2025
Hybrid search without the headache: simplifying hybrid search with retrievers
Explore how to simplify hybrid search in Elasticsearch with a multi-field query format for linear and RRF retrievers, and create queries with no previous knowledge about your Elasticsearch index.
November 20, 2025
You Know, for Context - Part III: The power of hybrid search in context engineering
Discover how to use context engineering and hybrid search to improve AI output accuracy with aggregations, RBAC, and non-content signals.
November 12, 2025
You Know, for Context - Part I: The evolution of hybrid search and context engineering
Explore how hybrid search and context engineering have evolved from lexical foundations to enable the next generation of agentic AI workflows.
November 4, 2025
Multimodal search for mountain peaks with Elasticsearch and SigLIP-2
Learn how to implement text-to-image and image-to-image multimodal search using SigLIP-2 embeddings and Elasticsearch kNN vector search. Project focus: finding Mount Ama Dablam peak photos from an Everest trek.
October 6, 2025
Experiments in improving Agentic AI tools for Elasticsearch
Learn how we improved AI agent workflows for Elasticsearch through iterative experiments by combining linear retrievers, hybrid search, and semantic_text for scalable RAG optimization.
May 28, 2025
Hybrid search revisited: introducing the linear retriever!
Discover how the linear retriever enhances hybrid search by leveraging weighted scores and MinMax normalization for more precise and consistent rankings. Learn how to configure this new tool for optimized search pipelines and improve your results today.
May 21, 2025
First to hybrid search: with Elasticsearch and Semantic Kernel
Hybrid search capabilities are now available in the .NET Elasticsearch Semantic Kernel connector. Learn how to get started in this blog post.
May 6, 2025
Built with Elastic: Hybrid search for Cypris – the world’s largest innovation database
Dive into Logan Pashby's story at Cypris, on building hybrid search for the world's largest innovation database.